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Re: [Qemu-devel] storing machine data in qcow images?
From: |
Max Reitz |
Subject: |
Re: [Qemu-devel] storing machine data in qcow images? |
Date: |
Wed, 6 Jun 2018 17:04:17 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 2018-06-06 16:46, Michael S. Tsirkin wrote:
> On Wed, Jun 06, 2018 at 01:44:02PM +0200, Max Reitz wrote:
>> Because it's a hack, right. Storing binary data in a qcow2 file,
>> completely ignoring it in qemu (and being completely unusable to any
>> potential other users of the qcow2 format[1]) and only interpreting it
>> somewhere up the stack is a hack.
>
> It's just a first step and it ensures compatibility with old QEMU
> versions. But down the road I think we will start warning
> user if the machine type does not match, and possibly even
> get the type from there if user didn't supply it.
If it's a first step we should have an idea on what the following steps
should be.
I don't want people to convince me that adding a blob to qcow2 is a good
idea because "we are only going to store two or three values!" and then
that blob grows out of control because "well, now we have it anyway".
Max
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- Re: [Qemu-devel] storing machine data in qcow images?, (continued)
- Re: [Qemu-devel] storing machine data in qcow images?, Michal Suchánek, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Michal Suchánek, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Eduardo Habkost, 2018/06/06
- Re: [Qemu-devel] [Qemu-block] storing machine data in qcow images?, Kashyap Chamarthy, 2018/06/07
- Re: [Qemu-devel] storing machine data in qcow images?, Eduardo Habkost, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Michael S. Tsirkin, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Kevin Wolf, 2018/06/11
- Re: [Qemu-devel] storing machine data in qcow images?, Michael S. Tsirkin, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?,
Max Reitz <=
- Re: [Qemu-devel] storing machine data in qcow images?, Michal Suchánek, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Michal Suchánek, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Michal Suchánek, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Daniel P . Berrangé, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Eduardo Habkost, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06
- Re: [Qemu-devel] storing machine data in qcow images?, Daniel P . Berrangé, 2018/06/06
- [Qemu-devel] storing machine data in qcow images?, Max Reitz, 2018/06/06